Re: [RE-wrenches] OB Radian question

Kirk, Ilsco or Marathon power distribution blocks with snap on covers? Best regards, Lloyd Lloyd Hoffstatter Sunstruck Consulting Get Outlook for iOS From: RE-wrenches on behalf of Kirk Herander via RE-wrenches Sent: Saturday, May 7, 2022

Re: [RE-wrenches] Complying with 690.9(B)

Mac, Bussman PVS-R-20 should work. Best regards, Lloyd Lloyd Hoffstatter Sunstruck Consulting Get Outlook for iOS From: RE-wrenches on behalf of Mac Lewis via RE-wrenches Sent: Wednesday, October 5, 2022 11:13:57 AM To: RE-wrenches Cc:

Re: [RE-wrenches] "Qualified solar electric property"?

Howie, I think he is referring to the tax language https://www.irs.gov/newsroom/energy-incentives-for-individuals-residential-property-updated-questions-and-answers Best regards, Lloyd Lloyd Hoffstatter Sunstruck Consulting Get Outlook for iOS ___

Re: [RE-wrenches] "Qualified solar electric property"?

: I agree with Lloyd. It is qualified if listed I would have to believe. Chris On 10/21/2022 6:36 PM, Lloyd Hoffstatter via RE-wrenches wrote: Howie, I think he is referring to the tax language https://www.irs.gov/newsroom/energy-incentives-for-individuals-residential-property-updated-questions

Re: [RE-wrenches] "Qualified solar electric property"?

nal Licensed Wisconsin Master Electrician BSEE On Wed, Oct 26, 2022, 2:55 PM Christopher Warfel via RE-wrenches mailto:re-wrenches@lists.re-wrenches.org>> wrote: I agree with Lloyd. It is qualified if listed I would have to believe. Chris On 10/21/2022 6:36 PM, Lloyd Hoffstatter via RE-w

Re: [RE-wrenches] SolArk and Tigo compatibility

Chris, For emergency shutoff switch i just used a lock pushbotton switch in a clear front lockable box with an led to indicate status. We did use an external power supply because we were using Tigo optimizers, CCA and TAP. Best regards, Lloyd Get Outlook for iOS __

Re: [RE-wrenches] SMA inverterters with SPS

Kirpal, Just a reminder that SPS does not work (past day 1) with Rapid Shutdown. Best regards, Lloyd Lloyd Hoffstatter, M.S. Applied Solar Energy NABCEP Inaugural Certified PV Installer Emeritus Director, Sunstruck Consulting ll...@sunstruckconsulting.com 845-

Re: [RE-wrenches] SMA SB and LiFe

Hey Glenn, I just started running a LIFEPO4 battery with a Sunny Island, no closed loop communication but with settings pretty much what Fortress has on their Sunny Island sheet. Settings are lower than what some LIFE’s specify, to avoid a voltage jump / high voltage error at the end of the char

Re: [RE-wrenches] Inverter bypass

https://www.zoro.com/square-d-cb-accessory-interlock-attachment-qou2dtila/i/G0840896/?utm_source=google&utm_medium=surfaces&utm_campaign=shopping%20feed&utm_content=free%20google%20shopping%20clicks&gclid=CjwKCAiAr4GgBhBFEiwAgwORrQ7ciEpSjpyftUryryWGfWJ7kiFdpiRnJ1DZ3k9ifEZYYBQJ_KYULBoC9qQQAvD_BwE B

Re: [RE-wrenches] Fire fighters

Kris, This UL testing report covers firefighting lighting on PV https://fsri.org/research-update/firefighter-safety-and-photovoltaic-systems-summary-released Best regards, Lloyd Lloyd Hoffstatter Sunstruck Consulting Get Outlook for iOS Fro

Re: [RE-wrenches] Parallel Homegrid Stack'd Busbar

Hi Maverick, Per tech support, you need to buss battery output(s) to both input breakers to get the full 275 Amp output. Best regards, Lloyd Lloyd Hoffstatter, M.S. Applied Solar Energy NABCEP Inaugural Certified PV Installer Emeritus Director, Sunstruck Consulting ll...@sunstruckconsulting.com

Re: [RE-wrenches] Hawaii projects

HI Max, One possibility: Roland Shackelford President / Owner NABCEP PVIP #091209-162 O 808.775.7410 | M 808.938.9239 | 45-487 Lehua St Honokaa, HI 96727 Power Solutions for Generations Renewable Energy Services, Inc. Best regards, Lloyd Lloyd Hoffstatter,

Re: [RE-wrenches] Minimum bus size, new requirements

Hi William, 200 Amp service per CA Energy Code - https://www.energy.ca.gov/sites/default/files/2022-08/2022_Residential_Mandatory_Measures_Summary_ADA.pdf It may have been modified since. Best regards, Lloyd Lloyd Hoffstatter, M.S. Applied Solar Energy Inaugural NABCEP Cetrified PV Installer

Re: [RE-wrenches] Minimum bus size, new requirements

William, Here is the CA Energy Code with the upsized busbar requirements under solar / ess readiness: https://title24energyreports.com/articles/basic-facts-changes-2022-energy-code.php Best regard Title 24: 2022 Energy Code - Basic Facts | CompuCalc

Re: [RE-wrenches] Simpliphi Phi 3.8 48V Case Color

Hi Jason, It looks like all the black casings are 12 or 24 Volt. White 3.8kW @ 48V nom. are either AmpliPhi (with comms.) or SimpliPhi without. They can't be mixed. Not sure of the maximum number, but UL 9540 listing up to 3 x BOSS.12 with 12 batteries each. Best regards, Lloyd Lloyd Hoffst

Re: [RE-wrenches] Sol-Ark Support

They are swamped with calls while they work to transition, and partially depends on a third party per user comments on Sol-ark users FB group after talking to tech support. Best regards, Lloyd Get Outlook for iOS From: RE-wrenches on behal

Re: [RE-wrenches] Sol-Ark Support

Hi Howie, Text from FB user Scott Shadle Sol-Ark owners Information network: Migration update (edit at 10 am central...my plant is now populating the new solark app. So...hang in there) Just had a very nice call with Sol Ark tech support. He suggested that perhaps my Facebook update would he

Re: [RE-wrenches] NEP PVG wiring

Hi William, The RSD installation instructions mirror those of TIGO and APSmart per connection order of PV to RSD first. Best regards, Lloyd Lloyd Hoffstatter, M.S. Applied Solar Energy Director, Sunstruck Consulting ll...@sunstruckconsulting.com 845-657-813

Re: [RE-wrenches] More Issues with Parallel Sol-Ark 15K System

[sad] Lloyd Hoffstatter reacted to your message: From: RE-wrenches on behalf of Jay via RE-wrenches Sent: Saturday, December 14, 2024 12:41:44 AM To: RE-wrenches Cc: Jay Subject: Re: [RE-wrenches] More Issues with Parallel Sol-Ark 15K System Oh that’s not en

Re: [RE-wrenches] Inverter ratings exceeding 25kw fir battery backup

The same in NY we had to change existing equipment to stay within the 25k AC net metering limit. Regards, Lloyd Get Outlook for iOS From: RE-wrenches on behalf of Dave Angelini Offgrid Solar via RE-wrenches Sent: Monday, February 17, 2025

Re: [RE-wrenches] Sol-Ark 15K Gen on Grid Terminal (with GTBB)

Sol-Ark strongly recommends only using a line side generator under inverter 2 wire control and with AC coupled inverters off, per several webinars. Best regards, Lloyd I’m lLlCOGet Outlook fo From: RE-wrenches on behalf of Jason Szumlanski

Re: [RE-wrenches] Battery RSD

Hi Mike, Take a look at the Schneider VHU363NRB. The installation manual shows a single break per conductor 250 VDC, but it may be (per MH forum) that UL listing requires breaking the ungrounded conductor twice. I would confirm with Tech Support. Pricing all over the map. Best regards, Lloyd

Re: [RE-wrenches] Hybrid inverter with no battery

Solis - high voltage battery. Best regards. I’m lLlCOGet Outlook fo From: RE-wrenches on behalf of Sam Haraldson via RE-wrenches Sent: Friday, August 1, 2025 9:09:09 AM To: RE-wrenches Cc: Sam Haraldson Subject: Re: [RE-wrenches] Hybrid